Finder Tool
NAICS Code Finder
Search your business in plain English across all 1,012 NAICS 2022 codes. Every result carries the SBA size standard effective March 2023.
Describe what your business does, or type a code directly.
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NAICS Code Tips
Choose Your Primary Code
You can register multiple NAICS codes on SAM.gov, but you should have one primary code that best describes your main business activity. Choose the code that represents your largest revenue source.
Size Standards Vary by Code
Different NAICS codes have different size standards. A company might be "small" under one code but "large" under another. You can be small for some opportunities and not for others.